List of famous Zoological gardens in European countries

There are hundreds of zoos, wildlife parks, aquaria, bird parks, animal reserves, etc. in Europe. A small country like Austria already has about 50 of them. Germany has no less than 414 registered zoos (more than the USA !). Germany has about 250 more wildlife parks, aquaria and bird parks in addition to actual zoological gardens. The world's biggest zoo is also in Germany (Zoologischer Garten Berlin). Here is a list of the most famous zoos Europe-wide, listed by opening date :